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Blue-lined octopus

Hapalochlaena fasciata
NakamamatayIsa sa pinakanakamamatay na hayop sa Mundo. Kung kagatin ka nito, tumawag agad ng tulong.Ang mabilis na tulong at antivenom ang nagliligtas sa karamihan ng tao. Tawagan agad ang numero pang-emergency.
Mga cone snail at pugita Mga kagatKinakain: Karne
Panganib sa tao: NakamamatayIsa sa pinakamapanganib na hayop sa mundo.

The blue-lined octopus is a small sea creature, about the size of a golf ball, that lives in shallow reefs and rock pools in the Pacific Ocean. It is one of the most dangerous animals in the sea, because its bite contains venom that can be fatal to people. It is shy and usually hides, but its bright blue lines are a clear warning to leave it alone.1

Nakatira sa
Pacific Ocean, from Australia to Japan. Common off Australia, especially southern Queensland to southern New South Wales; also Japan and Jeju Island, Korea.1
Karagatang Indiyano, Karagatang Pasipiko, Dagat Coral
Home
It lives in shallow tropical and subtropical reef waters, tide pools and intertidal rocky shores, in coastal waters down to 15 metres. It hides in reef crevices and empty seashells, so people may come across it while exploring rock pools or reefs.1
Haba
4.5 cm (1.8 in)1
Pinakamataas na bilis
mga 25 km/h (16 mph)
Paglangoy, tantiya lang
Ano ang kinakain nito?
It mostly eats crustaceans and stomatopods (mantis shrimps). In captivity it has also eaten live fish. It traps its prey inside its arms and pierces it with its parrot-like beak.1
Totoo!Litrato ng Blue-lined octopus
Blue-lined octopus. Litrato: Totti. CC BY-SA 4.0, Wikimedia Commons.

Paano ito makikilala

  • At rest, its body is mottled yellow-brown with dark blue or black streaks, and its underside is paler.1
  • When it feels threatened, it shows bright, iridescent blue lines across its body.1
  • It is small, with a mantle (main body) up to 45 mm long, about the size of a golf ball.1
  • Its blue markings are lines, not rings.1
  • The visceral hump (the bulge behind the head) is regularly pointed.1

Madalas mapagkamalang: The greater blue-ringed octopus, southern blue-ringed octopus and blue-ringed octopus have circular blue rings rather than lines. The blue-lined octopus is also the smallest of the four species in its genus.1

Lakas ng kamandag

Mga kagat

Lumalabas ang kamandag sa pangil o ngipin nito kapag nangangagat ito.

Ano ang epekto ng kamandag nito?

Its venom is tetrodotoxin (TTX), a neurotoxic venom, which attacks the nerves. A bite may not be felt at first. After some time, symptoms include loss of feeling in the tongue and lips, muscle weakness or paralysis, respiratory failure (breathing failure), and unconsciousness, which can lead to death.1

Gaano ito kapanganib sa tao?

Panganib sa tao: NakamamatayIsa sa pinakamapanganib na hayop sa mundo.

It is regarded as one of the most dangerous animals in the sea, and its venom can be fatal to humans. At least three human deaths have been reported. The greatest risk is to people who pick it up or touch it.1

Ano ang ginagawa nito kapag natatakot?

When threatened, it displays bright blue warning lines to predators, and it is more likely to flee and hide in shelter than to fight.1

Kung kumagat ito

  • Pressure immobilisation: balutin nang mahigpit ng elastic bandage ang kagat at pataas sa buong braso o binti, lagyan ng splint, at panatilihing ganap na hindi gumagalaw ang tao hanggang dumating ang tulong.
  • Ang blue-ringed octopus o cone snail ay puwedeng magpahinto sa paghinga ng tao habang gising pa siya: tumawag ng tulong at maging handang magbigay ng rescue breaths hanggang pumalit ang ambulansya.

Laging tawagan muna ang numero pang-emergency (112, 000, 911). Ito ay pangkalahatang gabay sa pangunang lunas, hindi payong medikal. Mga batayan ng pangunang lunas

Mag-ingat

  • Huwag kailanman hawakan, hulihin o asarin ang ligaw na hayop, kahit maliit, at kahit mukha itong tulog o patay.
  • Bigyan ito ng espasyo. Kung makasalubong ka ng isa, manatiling kalmado, dahan-dahang umatras at hayaan itong umalis.
  • Kung kagatin ka ng isa: manatiling kalmado, huwag gumalaw, tawagan ang numero pang-emergency (112, 000, 911) o pumunta agad sa ospital. Tandaan ang itsura nito, makakatulong ang litrato.

Hindi ka nito hinahabol. Ginagamit nito ang kamandag para manghuli ng pagkain o ipagtanggol ang sarili, at mas gusto pa nitong magtago. Higit pa tungkol sa pag-iingat

Saan sa mundo?

AprikaAsyaEuropaHilagang AmerikaTimog AmerikaAustralia at OceaniaKaragatang PasipikoKaragatang IndiyanoDagat Coral

Gaano ito kalaki?

Gaano ito kahaba?

Blue-lined octopus mga 4.5 cm ang haba (1.8 in)Isang paper clip mga 3 cm (1.2 in)Isang smartphone mga 15 cm (5.9 in)
mas maikli kaysa sa hinliliit mokayang languyin ang haba ng malaking swimming pool (50 m) sa loob ng 7.2 segundo

Gaano kalaki si Blue-lined octopus kumpara sa IYO?

Math lang sa browser mo. Walang sine-save o ipinapadala kahit saan.

Gaano ito kabilis?

magandang malaman

Mga fact

1

A single 25-gram blue-lined octopus carries enough venom to kill about ten adults weighing 75 kilograms each, according to estimates.1

2

Male blue-lined octopuses bite the female's aorta during mating, injecting TTX. This paralyses her within about 8 minutes, which lets the male transfer his sperm packets safely.1

3

Hapalochlaena is the only octopus genus known to produce TTX, a toxin thought to have played an important role in the evolution of the species.1

4

The blue-lined octopus is the only one of the four blue-ringed species with lined blue markings instead of circular ones.1

5

Blue-lined octopuses are nocturnal hunters, while the greater blue-ringed octopus hunts during the day.1

6

Its range has been spreading across the Pacific. Warming ocean water may be shifting suitable habitat, and scientists monitor this for public health and safety.1

Myth buster

Mito: Because it is so shy, the blue-lined octopus is not really dangerous.

Totoo: It is extremely shy and usually flees, but its venom can still be fatal to people, and at least three deaths have been reported.1

Para sa mga eksperto sa kamandag

Pangalang siyentipiko
Hapalochlaena fasciata
Grupo
Mga cone snail at pugita
Pamilya
Octopodidae2
Ayos
Octopoda
Mga kontinente
Karagatang Indiyano, Karagatang Pasipiko, Dagat Coral, Ang mga karagatan
Mga sanggol
A female lays 50 to 100 large eggs about 30 days after mating, hides them under her arms until they hatch, and then dies. The hatchlings take about two months to develop.1
Panganib sa tao
5 / 5: Nakamamatay3

Saan galing ang mga fact

  1. Blue-lined octopus (Wikipedia (CC BY-SA 4.0))
  2. Hapalochlaena fasciata (iNaturalist): mga pangalan at klasipikasyon.
  3. Venom Wiki: sarili naming tantiya ang antas ng panganib, karaniwang laki at hula sa bilis. Tingnan kung paano namin ito kinukuwenta: Paano namin sinusukat ang panganib.

Bawat fact sa pahinang ito ay may numerong tumuturo sa pinagmulan nito. Kung may mali kami, pasensya na, mahilig lang kami sa hayop, hindi kami science journal. Sabihin sa amin sa [email protected] at aayusin namin.

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Higit pa mula sa parehong grupo: Mga cone snail at pugita

Geography coneMga cone snail at pugitaNakamamatayGreater blue-ringed octopusMga cone snail at pugitaNakamamataySouthern blue-ringed octopusMga cone snail at pugitaNakamamatayBlue sea dragonMga cone snail at pugitaMasakit langCommon octopusMga cone snail at pugitaHindi nakapipinsalaGiant Pacific octopusMga cone snail at pugitaHindi nakapipinsala

Nakatira rin sa: Karagatang Indiyano

Australian box jellyfishMga dikya at nanunusok sa dagatNakamamatayHuwag hawakanHawksbill sea turtleIba pang nakalalasong hayopPuwedeng pumatayIrukandji jellyfishMga dikya at nanunusok sa dagatPuwedeng pumatayHuwag hawakanReef stonefishMga makamandag na isdaPuwedeng pumatayHuwag hawakanCrown-of-thorns starfishSea urchin, sea star at bulateKailangan ng doktorHuwag hawakanPortuguese man o' warMga dikya at nanunusok sa dagatKailangan ng doktorHuwag hawakan
Pakainin ang alakdantip jar, pinapanatili itong libre